baber/WOPTO huggingface dataset:
Patent GB-733646-A (GB)
Title: Improvements in or relating to diffusers
IPC: F23R3/00
Filed: 1952-07-28
Abstract: 733,646. Gas turbine jet propulsion plant. UNITED AIRCRAFT CORPORATION. July 28, 1952 [March 28, 1952], No. 19000/52. Class 110 (3). [Also in Groups XII and XXXIII] In a gas turbine engine gas is guided over the turbine blades 4 by a row of stationary nozzles 2 into an annular diffuser defined by an outer wall 8 and an inner wall 10, constituted by a tail core, attached to the wall 8 by faired rods 12 and 14. Afterburner injector nozzles 20 are mounted in the wall 8 and a flame-holder 22 is mounted downstream of the tail cone to locate combustion within the zone 24. The nozzle 32 may have adjustable eyelid-shaped members 34 to vary its area. In order to energize the boundary layer gas adjacent the walls of the diffuser, rows of circumferentially arranged axially-spaced holes 40 are located in either the inner or outer walls to create vortices (see Group XXXIII).
Patent GB-815613-A (GB)
Title: Improvements in or relating to apparatus for gathering forage crops
Inventor: SPINDLER JOHN EDWARD
IPC: A01D87/10
Filed: 1956-06-19
Abstract: 815,613. Pneumatic conveyers. BLANCH & CO. Ltd., A.B. Aug. 29, 1957 [June 19, 1956], No. 19003/56. Class 78 (1). A mobile apparatus for gathering cut forage crops from the ground and lacerating them before delivery to a vehicle comprises a rotary elevator 10, Fig. 1, contained in a casing 9 and provided with crop-engaging tines 11, a platform 17 on to which the crop is deposited by the elevator and along which it is drawn by a current of air, and a rotary impeller 22 which lacerates the crop and provides a current of air passing over the platform 17 and through the delivery conduit 19. Each blade of the impeller may be flat and inclined to the axis of rotation, or may be made in two parts 27, 28, Fig. 4, one of which is in the plane containing the axis of rotation and the other is inclined thereto. The leading edge of the blade may be formed, or provided, with a knife 29, Fig. 6, or the part 28 of the blade may be arranged as a knife.
Patent GB-254531-A (GB)
Title: Improvements connected with the manufacture and production of artificial silk
IPC: D06P5/13
Filed: 1925-07-27
Abstract: 254,531. Courtaulds, Ltd., and Whittaker, C. M. July 27, 1925. Yarns, separating or sorting.-For the purpose of obtaining batches of viscose silk having practically the same dyeing affinity so that fabrics made therefrom can be dyed the same shade, a quantity of the silk in portions or skeins is dyed with an easily removable dye, preferably one that tends to dye unevenly, and the dyed silk is sorted into batches each consisting of those skeins which are dyed to the same shade. The dyeing-agent is subsequently removed.
Patent GB-1455746-A (GB)
Title: Power control in centreless grinding machines
IPC: B23Q15/02
Filed: 1974-05-01
Abstract: 1455746 Centreless grinding SUNDSTRAND SYRACUSE 1 May 1974 [4 May 1973] 19048/74 Heading B3D [Also in Division G3] A centreless grinding machine includes an input section 10 with workpiece feed wheels 15, 16, a grinding station 11 with a grinding wheel or belt 50 driven by a motor 53, and an output section 12 with feed wheels 40, 41. A workpiece may be supported against the grinding wheel 50 by an adjustable blade 55, and is fed through the machine by a regulating wheel 57 driven by a hydraulic motor 62. Feed wheels 15, 16, 40, 41 are also hydraulically driven by motors 30, 44. In operation, the current taken by motor 53 is measured and compared with a desired value set by a computer to produce a signal which adjusts the workpiece feed-rate by varying the speed of the motors 62, 30, 44, or by changing the helix angle of the wheels 57, 15, 16, 40, 41. For this purpose, the shafts of the feed wheels are mounted in yokes 25 which can be tilted by rods 35 connected to hydraulic rams 36, and the mounting of wheel 57 can be tilted by a motor 63.
Patent GB-353646-A (GB)
Title: Improvements in or relating to bases for electric switches or the like
IPC: H01R9/18
Filed: 1930-06-23
Abstract: 353,646. Binding-posts. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and BENTLEY, H. L., of General Electric Co., Landor Street, Birming- ham. June 23, 1930, No. 19100. [Class 38 (i).] The entrance 1 of a hole in the base of a tumbler switch &c. for attaching a hollow terminal, is made of conical shape to facilitate the insertion of a conductor. The terminal consists of a hollow post 4 screwed into an upper part 5 so as to be held by a narrow seating 3. The entrance to the terminal part 5 is coned as at 6 to form a continuation of the coned part 1 of the base. The conductor is passed inside the parts 5, 6 and is secured by a set-screw 7.
Patent GB-1019496-A (GB)
Title: Conveyor apparatus for confectionary mass moulding plants
IPC: A23G7/00
Filed: 1964-05-07
Abstract: 1,019,496. Endless conveyers. MIKROUFEK. A/S. May 7, 1964 [May 7, 1964], No. 19156/64. Heading B8A. Articles 13 from confectionery moulds are transferred from conveyer carriages 18 to a transverse conveyer 12 by tilting the carriages. The carriages are connected to two parallel chains 20 by pins 19 and have rollers 21 for running on horizontal guide rails 22. At the region where tilting of the carriages is to take place, each guide rail has a trough section 23. A further horizontal rail portion 24 has two latch members 25, 26 pivoted thereto, the member 25 being positively moved, by operating means not shown, between the full-line position and a horizontal closing position shown in broken line. In the latter position, no articles are transferred to the conveyer 12. The member 26 will normally rest on the rail 22 but the roller 21 raises the member 26 as the roller passes up from the trough section 23. Stripper means may ensure discharge of the articles from the carriages.
Patent GB-1162330-A (GB)
Title: Precision or Analytical Balances
IPC: G01G23/18
Filed: 1968-04-23
Abstract: 1,162,330. Weighing apparatus. MEPAG A.G. April 23, 1968 [Oct. 4, 1967] No. 19171/68. Heading G1W. [Also in Division G4] A precision or analytical balance comprises a pivotally mounted balance beam 2 which carries on one end a weighing pan 3 and on the other end a scale 47 bearing in coded form digits corresponding to the inclination of the beam, a light projection apparatus 48-50 for projecting the scale 47, a photo-electric device 55, 56 arranged for actuation by the projected scale image and arranged to operate a printing apparatus 37-42 for printing out weight values, and a manually-operable mechanical-optical micrometer 26-34 for obtaining accurate weight values. With a load to be weighed on the pan 3, indexing weights 7 are suitably removed from carrier members 6 extending from a pan support 4 until the balance is roughly in equilibrium, the weights 7 being moved by a cam and lever arrangement 8, 9 which is actuated through gearing 11 by a manually rotatable knob 12, the gearing 11 being also arranged to operate an indicating drum 13 which provides a coarse weight indication of the load in a window 14 of a housing 5 of the balance when the balance beam is roughly in equilibrium. A more accurate weight reading is obtained at a ground glass window 23 at which a graduated scale 17 on the beam 2 is projected by a projecting apparatus 18-20, this scale 17 being mounted adjacent to the coded scale 47 which is simultaneously projected on to a screen 51 and which provides a coded image at the screen 51 corresponding to the readings obtained at the window 23. The optical micrometer 26-34 provides further accuracy in the weight readings and comprises a rotatable mirror 27 arranged in the light paths 21, 52 from the scales 17, 47 and mounted so as to be rotated through a cam and gear arrangement 28, 29 by a manual control 30, the further accuracy being obtained by rotating the mirror until one of the graduations coincides with a forked indicator mark 34 on the window 23, the amount of such rotation being indicated at a further window 33 by an indicating drum 32 operated by the manual control 30. The accurate weight of the load is then obtained by reading the digits appearing in the windows 14, 23 and 33 and a printed record of such reading is obtained on a band 37 by arranging that the indicating drums 13, 32 are operatively connected to type rollers 38, 41 and that the coded image on the screen 51 corresponding to the indication in window 23 is scanned by photo-cells 55, 56 which provide pulses to actuate through electromechanical apparatus 62, 63, 64 two further type rollers 39, 40, a striker bar 42 being arranged to urge the band 37 into engagement with the type rollers 38-41 and being controlled electrically by a unit 67 which for scanning of the coded image by the photo-cells 55, 56 tilts a mirror 57 in the path of the rays from the coded scale 47.
Patent GB-172351-A (GB)
Title: Process and apparatus for carburizing ferrous articles
IPC: C23C8/66
Filed: 1920-07-07
Abstract: 172,351. Cannon, F. P. July 7, 1920. Cementation. - Articles to be carburized are completely surrounded by carburizing-material, the whole subjected to substantial mechanical pressure and the temperature quickly raised to about 1600-1800‹ F. by passing an electric current through the articles and through the carburizing-material. In the form shown in Fig. 1, electrodes 2, 3 are provided at opposite sides of a fire-clay lined container 1 which is provided with a screw-operated plunger (not shown) for compressing the material. The current supply to the electrodes is controlled by inductances 23. In the modification shown at Fig. 2, the articles 4<a>, together with graphilte rings 12<a>, 12b are packed in carburizing-material in containers 12 surrounding cores 10 of a closed iron circuit over which are placed primary windings 11 connected to an alternating-current supply so that the necessary heating-current is induced in the graphite rings, the carburizing-material and the articles 4<a>.
Patent GB-932122-A (GB)
Title: Improvements in or relating to micrometer gauges
IPC: G01B3/18
Filed: 1962-05-18
Abstract: 932,122. Micrometers. F. E. GOLDSBURY. May 18, 1962, No. 19263/62. Class 106 (2). A screw micrometer for internal measurements comprises a fixed measuring jaw 31 mounted on the micrometer body, and a jaw 34 carried, via bracket 26, on a spring-loaded plunger 18 riding in bores in the U-arms and driven by the end 17 of the micrometer screw. The moving jaw assembly 18-26-34 is held against rotation by a guide rod 27. The jaws 34, 31 are in the form of pins the smaller-diameter pin 34 fitting into a groove 32 in pin 31 in the fully closed position. In a modification, the guide-rod 27 engages a bore in the lefthand U-arm. The embodiment of Fig. 4 has the measuring jaws 48, 53 mounted on the ends of rods for large-diameter measurements.
Patent GB-707762-A (GB)
Title: Calculating devices
Inventor: GRESHAM DONALD CHARLES
IPC: G06G1/00
Filed: 1951-08-16
Abstract: 707,762. Calculating-apparatus. McCORQUODALE & CO., Ltd. July 31, 1952 [Aug. 16, 1951], No. 19378/51. Class 106 (1) A logarithmic calculater for determining exposures in the production of colour separation records for photo-lithographic and photo-engraving processes, comprises fixed scales A and L of highlight and shadow densities, presettable logarithmic exposure scales B, C, D, H, I, and J, presettable logarithmic density-range scales E, F and G, and cursors P and Q covering these scales. The apparatus is intended primarily for determining the exposures in the reversal process of Specification 681,206 which, briefly, consists in converting colour-separation negatives into coloured images and reversal exposing these images to lightabsorbed by their colour. The reversal exposures are preferably effected, at least partially, to light from the original subject to enable correction to be made for colour deficiences in the inks used in printing from the records. In carrying out the process with the aid of the apparatus, the exposures for making the three colour separation negatives are found by setting the cursor line X against the measured value of highlight density of the original on the scale A and reading the scales B, C and D, for the red, green and blue respectively, against the cursor line. Corresponding flash exposures are shown by the cursor Q on an extension of scale C when set against the measured density range of the original on the scales E, F and G in turn. Negative exposures for the black printer are found by setting the cursor line X to the shadow density scale L and reading the appropriate scales B, C and D against a subsidiary cursor line Z, a further cursor line Y similarly marking the auxiliary non-screen exposures. The flash exposure for the black printer is shown by cursor Q on scale C when set to the appropriate density range scale E, F or G according to the colour of the filter used for the original exposure. Reversal exposures for the separation negatives through the red and green filters are read from the scales H and I with the cursor line X again set to scale A, and the second flash exposures similarly with the cursor line X set to " 0 " on the scale A. The black printer second exposure is read from the scale J with the cursor line X also set to " 0 " in scale A. The highlight mask exposure is read from the scale K with the cursor line X set to the highlight density on scale A. The presettable scales are adjusted in position after making preliminary tests on the batch of plates to be used ; the scales are then secured by means of locking nuts T at the rear of the base R of the apparatus. To provide for variation in the camera aperture/extension ratio, the cursor line X is supplemented by alternative lines over the scales H, I and J marked with a scale M of multiplicating factors dependent on extension. The apparatus can also be used for calculating exposures for the process described in Specification 681,212 as well as other processes.
Patent GB-720160-A (GB)
Title: Process and apparatus for drying materials capable of being poured
IPC: F26B17/14
Filed: 1952-07-31
Abstract: 720,160. Drying granular material. RUHRCHEMIE AKT.-GES. July 31, 1952 [Aug. 4, 1951], No. 19390/52. Class 34 (2). In a process for drying granular material the material is poured through a hopper 5 into a conical heap 9 on a conical member 6 in a vessel 1 over which member 6 it slides in a thin layer while dry gas entering tangentially through a pipe 7 spirals upwardly in contact with the outer surface of the heap and leaves at 8 with entrained dry material which is removed in a separator. In a modification (Fig. 2) annular guide surfaces 15 having central openings are provided to increase contact between the material and the gas which flows through slots 18 in the conical member 17 and staggered slots 20 in the plates 15. In a further modification the annular surfaces are of truncated conical form.
Patent GB-1270973-A (GB)
Title: A process for the preparation of jam and jelly compositions
IPC: A23L19/00
Filed: 1969-04-16
Abstract: 1,270,973. Jam and jelly compositions. PATRONATO DE INVESTIGACION CIENTIFICA Y. TECNICA "JUAN DE LA CIERVA". 16 April, 1969 [26 July, 1968], No. 19452/69. Heading A2B. A method of preparing a dry jam or jelly composition (e.g. powder) comprises drying fruit to less than 1% by wt. by a method which avoids thermal treatment which would impair the taste, aroma and nutritive components of the fruit, and mixing the dried fruit with pectin in an atmosphere having a lower moisture content than the dried fruit. The mixing may be carried out in vacuum and the composition may be packed under vacuum. The fruit may be freeze dried under reduced pressure or dried on a foam bed, drying rollers or a belt conveyor, or in a fluidised bed or drying tunnel. The dried fruit may be crushed. The fruit may be strawberries or lemons. Other components which may be included in the composition include citric, malic, phosphoric, lactic and fumaric acids, agar-agar, alginates, carragenates, carob seed gum, starch, guar, gelatin sucrose, glucose, saccharin and sorbitol.
Patent GB-1099076-A (GB)
Title: Process for the production of polyoxymethylenes by catalytic polymerisation of monomeric formaldehyde
IPC: C08G2/00
Filed: 1965-05-10
Abstract: Formaldehyde is passed into an inert solvent containing, as catalyst, an amine carrying at least two functionally different nitrogen atoms in the molecule.  The catalyst may be an amine having one of the formulaeae <FORM:1099076/C3/1> in which R1, R4 and R5 denote identical or different unsubstituted or substituted aliphatic linear or branched alkyl or hydroxyalkyl cycloaliphatic, aromatic or heterocyclic radicals and R2 and R3 denote identical or different aliphatic linear or branched chain alkylene or hydroxyalkylene or cycloaliphatic, aromatic or heterocyclic radicals.  Specified catalysts include N,N - pentamethylenepropane diamine-(1-3), N - N - dimethyl - N1 - gamma - aminopropyl-propanediamine - (1,3), N - N - diethyl - N1-gamma - aminopropylethylenediamine - (1,3), N - N - dimethylpropane - (1,3) and N - N - dibutylpropanediamino - (1,3). Aromatic and aliphatic hydrocarbons are specified solvents.
Patent GB-238696-A (GB)
Title: Coating composition and process of producing such coating compositions
IPC: C09D191/00
Filed: 1924-08-19
Abstract: 238,696. Western Electric Co., Ltd., (Western Electric Co., Inc,). Aug. 19, 1924. Japans.-A japanning composition is obtained by polymerizing gelatinizable vegetable oil, such as tung or castor oil, by heating in the presence of resin oil to delay gelatinization. Glycerol may be mixed with the vegetable oil, and the composition may be made quick-baking by the addition of resin glyceride or a metallic soap. The polymerization may be effected by heating the vegetable oil and glycerol to a point approaching gelatinization, and cooling the mass by the addition of cold resin oil. The resin glyceride added is preferably also in the polymerized but ungelatinized condition and may be made by heating Congo copal with glycerol in the presence of resin oil. A suitable metallic soap is manganese linoleate. The final mixture is heated. and thinned with a solvent such as benzene. The composition is applied and baked at about 300‹ C. to drive off benzene, resin oil and excess of glycerol, and to harden the coating. Corn, soya bean, rape-seed, sesame, cotton-seed, peanut and linseed oils may be used, and other resin oils may replace resin oil. Manila copal and shellac form gelatinizable glycerol esters suitable for use in the compositions.
Patent GB-763730-A (GB)
Title: Improvements relating to bags of paper and the like
IPC: B65D30/18
Filed: 1953-07-15
Abstract: 763,730. Multi-ply paper bags. HOLSCHER, F., and WINDMOLLER, A. [trading as WINDMOLLER & HOLSCHER]. July 15, 1953 [Dec. 22, 1952], No. 19623/53. Class 94(2). In a paper multi-ply block-bottom valve bag. the layers of the side flaps 20, 21, with the exception of a single outer layer on one side flap at each end of the bag, have inwardly folded corners due to the absence of incisions or notches, all the layers of the corner flaps are stepped to the same depth as the layers of the adjacent side flaps, and the single outer layer which is the last to be turned over is provided with incisions for the formation of a rectangular cover flap 24, 25, 26, 27. The bag is made from paper, &c. tubes having the ends 3, 4 of the innermost and outermost plies 5, 7 stepped around the circumference, the steps of the outermost ply coinciding with the cut-away portions of the innermost ply, and longitudinal incisions 8 .. 11 are made in the outermost ply forming the side flaps 20, 21 with folded corners and the single outermost rectangular cover flap 24 .. 27 turned over about line 22-23 to complete the closure. The middle ply is not stepped. Fig. 2 shows the first endfolding operation to form the corner flaps 12 .. 15, the flaps 13, 14 having an outer stepping and the flaps 12, 15 an inner stepping. The filling opening is arranged on one of the corners with the inside stepping. The side flaps 16, 17 are folded along lines 18-19 and finally the side flaps 20, 21 and rectangular cover flaps 24 .. 27 folded along the lines 22-23 and glued.
Patent GB-968363-A (GB)
Title: Production of helically crimped polypropylene filaments
IPC: D01F6/04
Filed: 1962-05-22
Abstract: A helically crimped polypropylene filament is made by drawing a polypropylene filament having gamma orientation and an orientation angle of 10 degrees-36 degrees, said filament not having been pre-drawn at a draw ratio of greater than 1.86, at a draw ratio of at least 1.4 but not above a total draw ratio, including any pre-drawing, of 2.6, under such conditions that the total draw ratio is 60-100% of the maximum draw ratio, and thereafter releasing the drawing tension whereby said filament develops at least five helical crimps per inch.  In a modification, the total draw ratio is at least 25% of the maximum draw ratio, and the drawn filament is then passed under tension at least 30 degrees around a hard surface having a radius of curvature less than 0.5 inch, and the tension then released, whereby said filament develops at least ten helical crimps per inch.  The filaments may be dyed by treatment with a solution of dye subsequent to the drawing step and not appreciably over a minute after releasing the drawing tension.  In an example, filaments are dyed by immersion in a 2% solution of Acid Red C.1.15675 in 50% aqueous ethanol for 2 mins. at 30 DEG C., and in solutions of Disperse Blue C.1.64500 in 25-99% aqueous ethanol, ethanol, N,N-dimethyl formamide and methylene chloride.  Solutions of disperse, acid, or basic dyes may be used, but emulsions are ineffective.  The dyed filament spontaneously crimps on releasing the tension.  Specification 882,329 is referred to.
Patent GB-1348555-A (GB)
Title: Pressure moulding devices
IPC: B29C49/00
Filed: 1971-06-09
Abstract: 1348555 Aligning moulding press MANUFACTURE D'ACCUMULATEURS ET D'OBJETS MOULES and SOC FULMEN 9 June 1971 [9 June 1970] 19635/71 Heading B5A The upper platen 2 (Fig. 1) of a moulding press is movable horizontally and vertically for alignment with a mould 11. The upper platen 2 fixed to a carriage 3 is guided by rollers 9 moving on rails attached to a plate 1, and can be clamped to the plate 1 by clamps 7 controlled by cams 8 mounted on articulated arms (15) (see Figs. 2, 3, not reproduced). In operation, the articulated arms (15) are rotated by respective pistons (16), (17) to release locking bolts 5 (Fig. 1) and thence clamps 7. The upper platen 2 is accurately positioned with respect to the mould 11 by means of 45 degree chocks 24, 25 (Fig. 4) and the clamps 7 relocked. After the pressing operation the clamps are released, and the platen 2 moved to the right (in Figs. 1, 4) by a piston 21; the moulded article, e.g. an accumulator case is removed from the mould.